摘要 |
PROBLEM TO BE SOLVED: To surely prevent the flow-in of a lubricant into a key switch, and to prevent an operation trouble of the key switch caused by the flow-in, by simple constitution even when the key switch is arranged in the vicinity of a hammer support point. SOLUTION: This keyboard device 1 is provided with a chassis 2 having a hammer support point 12, plural keys 3 supported turnably on the chassis 2, a lubricant L applied to the hammer support point 12, plural hammers 4 supported on the support point 12 turnably and interlocking with the plural keys to be turned, a key switch 20 attached to the chassis 2 to detect key push information for the plural keys 3, and a lubricant flow-in preventing wall 53 positioned upright between the support point 12 and the key switch 20 to prevent the lubricant L from flowing into the key switch 20. |